today no arrests have been made in khan's murder, but in khan's neighborhood, rumors spread and fingers point as the deadly duel as old as time may have struck once more on chicago's north side. greed and poison. >> that if it was truly murder, that's sad. that gets to the point where i believe that when they say money's the root of all evil, it is true. >> reporter: martin savidge, cnn, chicago. >> wow. >>> "talk back" question for you today -- should we welcome pastors in the public square despite their views on homosexuality? facebook.com/carolcnn. or tweet me @carolcnn. i'll be right back. >>> now's your chance to talk back on one of the big stories of the day, the question this morning should we welcome pastors in the public square despite their views on homosexuality? president obama asked reverend louie giglio an atlanta pastor to deliver the benediction at the inauguration. this is a man with the power to attract 60,000 people in the honorable fight against modern-day slavery, everything was a go, until gay rights groups uncovered this sermon giglio gave back in the '90s -- >> i